Authors: Renato Vieira dos Santos, Ronald Dickman
Recently a model of intra- and interspecific competition between two species was proposed [Phys. Rev. E 87 (2013) 010101], in which the scarcer species (i.e., with smaller stationary population size) can be more resistant to extinction when it holds a competitive advantage. Here we verify this survival of the scarcer in space (SSS) phenomenon in models with spatial structure, both analytically and numerically. We find that the conditions for SSS, as obtained applying renormalization group analysis and Monte Carlo simulation to a discrete-space model, differ significantly from those found in the spatially homogeneous case.
Comments: 15 Pages. Journal reference: Journal of Statistical Mechanics
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[v1] 2013-04-12 18:20:38
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